NEW YORK--(BUSINESS WIRE)--Halper Sadeh LLC, an investor rights law firm, is investigating whether the sale of CureVac N.V. (NASDAQ: CVAC) to BioNTech SE is fair to CureVac shareholders. Under the terms of the proposed transaction, each CureVac share will be exchanged for approximately $5.46 in BioNTech ADSs. Upon closing of the proposed transaction, CureVac shareholders are expected to own between 4% and 6% of BioNTech. Halper Sadeh encourages CureVac shareholders to click here to learn more a